21690345 is an odd 8-digits composite number following 21690344
and preceding 21690346 . In scientific notation, it is written as 2.1690345 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11568176 positive integers (up to 21690345) that are relatively prime to 21690345.
21690345 has 8 divisors, whose sum is 34704576
The reverse of 21690345 is 54309612
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred ninety thousand three hundred forty-five
Scientific notation
2.1690345 × 10^7
Engineering notation
2.1690345 × 10^6
Prime Factorization
3 × 5 × 1446023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21690345
Product of the distinct prime numbers
The prime factorization of 21690345 is 3 × 5 × 1446023.
Since it has a total of 3 prime factors.
4 , 6 , 51 , 71 , 496 , 576 , 3216 , 4568 , 72141 , 88536 , 342517 , 256602 , 330510 , 7354417 , 11538870 , 80375259 , 607417159 , 158510246 , 7677642974 , 7206388905
n×2
43380690
n×3
65071035
n×4
86761380
n×5
108451725
n÷2
10845172.5
n÷3
7230115
n÷3
5422586.25
n÷5
4338069
n2
470471066219025
n3
1.0204679738808E+22
n4
2.2134302414927E+29
n5
4.8010065571409E+36
2 √n
4657.2894477367
3 √n
278.88307172291
4 √n
68.244336378463
5 √n
29.326031178537
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690345 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690345) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111011111101001
3
Ternary
1111210222120010
4
Quaternary
1102233133221
5
Quinary
21023042340
6
Senary
2052522133
8
Octal
122573751
10
Decimal
21690345
12
Duodecimal
7320349
16
Hexadecimal
14af7e9
20
Vigesimal
6fb5h5
36
Base36
cwwdl
md5
b9cbd29d6cfa25e1e8bc9abbac070f36
sha1
630f6f2037cf43b712f57566d2bad4d823783b3e
sha256
12be2952d17fdee4ed15c4801496a413890381ea8360388e17a5d08b1f69943f
sha512
dd03f0528c0be4b412b7d5a0e6489566f53ace09ab3f6daa2569536068cef473ba45e9a1158eb86d8ef040b6a3d8b7d2c116147942c4101b6d0fe0e76987f428
ripemd-160
429dd70578f1709580cffa83517ae665a996d79c
Diameter
43380690
Circumference
136284457.01166
Area
1.4780284453602E+15
Volume
4.2745262532903E+22
Surface area
5.912113781441E+15
Circumference
136284457.01166
Perimeter
86761380
Area
470471066219025
Diagonal
30674780.071551
Surface area
2822826397314150
Volume
1.0204679738808E+22
Space diagonal
37568779.573698
Perimeter
65071035
Area
2.0371994754561E+14
Altitude
18784389.786849
Surface area
2.0371994754561E+14
Volume
1.2026330405247E+21
Height
10224926.690517